//
// Created by shuhongfan on 2021/6/7.
//
#include <stdio.h>
int main()
{ int a[4][4]={{1,2,3,4},{5,6,7,8},{11,12,13,14},{15,16,17,18}};
int i=0,j=0,s=0;
while(i++<4)
{
if(i==2||i==4) continue;
j=0;
do{ s+= a[i][j]; j++; } while(j<4);
}
printf("%d\n",s);
}